/*
 * Copyright 2019-2021 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.aot.context.origin;

import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;

import org.springframework.beans.factory.BeanFactory;

/**
 * A hierarchical structure of a {@link BeanFactory}.
 *
 * @author Stephane Nicoll
 * @see BeanDefinitionDescriptor
 */
public final class BeanFactoryStructure {

	private final Map<String, BeanDefinitionDescriptor> descriptors;

	public BeanFactoryStructure(Map<String, BeanDefinitionDescriptor> descriptors) {
		this.descriptors = new LinkedHashMap<>(descriptors);
	}

	/**
	 * Return an immutable view of the {@link BeanDefinitionDescriptor descriptors}
	 * identified by their bean name.
	 * @return the descriptors
	 */
	public Map<String, BeanDefinitionDescriptor> getDescriptors() {
		return Collections.unmodifiableMap(this.descriptors);
	}

}
